$ query “AS8323” --type=asn → 1 result(s)
AS8323 · CYFRONET-AS2
Academic Computer Centre CYFRONET AGH
AS8323 is run by Academic Computer Centre CYFRONET AGH and is a mid-size transit provider, registered in Poland since 2001. The system announces a respectable 57 856 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in Poland.
Basic Information
- Country
- 🇵🇱 Poland
- Category
- Hosting
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- October 29, 2001
- Last Changed
- March 04, 2026
- Last Seen
- May 01, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 5 / 5
- IPv6 Prefixes (raw / aggregated)
- 2 / 1
- IPv4 Addresses
- 57 856
- Largest IPv4 Prefix
- /17 (32 768 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇵🇱 Poland (65 536 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 3 upstreams providing transit
- Peers
- 4 networks exchanging traffic without transit
- Downstream Customers
- 12 downstreams buying transit
- Degree
- 19 unique BGP neighbors
- Reach
- 15 networks in customer cone
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (5 total)
- 195.150.0.0/17 (32 768 addresses (/17 prefix))
- 195.150.128.0/18 (16 384 addresses (/18 prefix))
- 193.193.64.0/19 (8 192 addresses (/19 prefix))
- 194.8.45.0/24 (256 addresses (/24 prefix))
- 194.8.46.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (2 total)
- 2001:6d8::/29